Happymodel Crazybee F4 PRO V3.0 2-4S Flight Controller w/ Blheli_S 4in1 ESC Dshot600 & Compatible Flysky/Frsky Receiver

It takes 2 weeks to ship this product, China WarehouseBrand Name: happymodelMaterial: Composite MaterialTool Supplies: Assembly CategoryUpgrade Parts/Accessories: FrameRC Parts & Accs: Speed ControllersSize: as the instructionTechnical parameters: Value 2Model Number: Crazybee F4 PRO V3.0 Flight ControllerRemote Control Peripherals/Devices: ESCFor Vehicle Type: HelicoptersFour-wheel Drive Attributes: AssemblageWheelbase: ScrewsBoard size: 28.5 * 28.5MM521: 366212Sensor: MPU-6000(SPI connection)Po&wer supply: 2-4S battery input (DC 7-17V)MCU: STM32F411CEU6 (100MHZ, 512K FLASH)